Product category:
Drives, motors and power transmission, couplings, clutches
News Release from: Control Techniques Dynamics | Subject: 55 AC servo motor
Edited by the Manufacturingtalk Editorial
Team on 03 July 2000
High torque per volume ratio from AC
servo motor
The new 55 AC brushless permanent magnet servo motor range from Control Techniques Dynamics is a low cost compact motor offering dynamic performance and positioning accuracy.
The new 55 AC brushless permanent magnet servo motor range from Control Techniques Dynamics responds to the demands for a low cost compact motor offering dynamic performance and positioning accuracy The frameless three phase motor has a cross section of just 55 x 55mm, with three lengths of 106mm for 0.65Nm; 136mm for 1.1Nm and 166mm for 1.4Nm
This article was originally published on Manufacturingtalk on 22 May 2000 at 8.00am (UK)
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This gives a high torque per volume ratio - ideal for today's compact machinery.
A vacuum impregnated stator assembly gives improved thermal performance and increased torque.
The 55 range of motors is the first from CT Dynamics to incorporate this new technology.
Further reading
New frameless motor for sub-fractional market
The new 55 AC brushless permanent magnet servo motor range from Control Techniques Dynamics responds to the demands for a low cost compact motor offering dynamic performance and positioning accuracy.
Plug and play motors reduce installation time
Control Techniques Dynamics has produced a "plug and play" version of its Unimotor 190 AC brushless servomotor. Its 190 frame motors have an improved IP rating and new connectorised 190 housing.
CT Dynamics plans to unify its complete Unimotor range of AC brushless servomotors with this new application process within the next six months.
Suitable for both sinusoidal and trapezoidal drives of up to 220Vac supply, the 55 motor range has voltage versions to match new Drives from Control Techniques.
Low cogging is provided by the 8 pole fractional slot design, whilst a high torque/inertia ratio ensues from the low inertia rotor and Neodymium magnets.
The combination of this and a 4 x stall peak torque gives exhilarating acceleration.
High resolution feedback not normally offered in motors of this small size is provided as standard by a 2048ppr optical encoder that can cope with the 6,000rpm maximum speed.
Alternative encoder counts are available, as is a resolver for those that require it.
Nominal winding designs for speeds of 3,000rpm or 5,000rpm gives the system designer scope to best suit his application.
A built-in brake is also available within the totally enclosed motor frame.
The motor conforms to IEC dimensions, is CE marked and will soon have UL approval.
Optional extension connectors compatible to CTD's UM motor range can be fitted to the motor's flying leads, enabling lengths of up to 50m for connection to the drive.
Applications benefiting from the new 55 range will include material handling conveyors, automatic assembly machines, textile machines, robots, medical equipment, X-Y Assemblies, small machine tools and winders and unwinders.
It will be of particular benefit to the packaging and printing industries where the motor is particularly suitable for small packaging functions and printing machines.
As with its Unimotor range of brushless AC motors, the 55 range is inherently reliable requiring no preventive maintenance.
Available as complete plug and play solution, it can be provided with feedback devices, connectors, cable assemblies (for power and signal to reduce installation time) and low backlash gearboxes for increased power.
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